Local Calling Guide
Area code/prefix search
Fieldon, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 618-376
| A |
FLDNILXERS0 |
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
520 |
|
|
|
| 618-376
| 0 |
|
224C ONVOY, LLC |
520 |
|
2019-07-28 |
|
| 618-376
| 1 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
520 |
|
|
|
| 618-376
| 2 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
520 |
|
2016-01-21 |
|
| 618-376
| 3 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
520 |
|
|
|
| 618-376
| 4 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
520 |
|
|
|
| 618-376
| 5 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
520 |
|
2015-07-12 |
|
| 618-376
| 6 |
|
224C ONVOY, LLC |
520 |
|
2018-07-29 |
|
| 618-376
| 7 |
|
224C ONVOY, LLC |
520 |
|
2019-09-05 |
|
| 618-376
| 8 |
|
224C ONVOY, LLC |
520 |
|
2019-09-05 |
|
| 618-376
| 9 |
|
1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL |
520 |
|
|
|
| 618-502
| A |
COVLILCQXIX |
984E BANDWIDTH.COM CLEC, LLC - IL |
520 |
|
|
|
| 618-502
| 0 |
|
984E BANDWIDTH.COM CLEC, LLC - IL |
520 |
|
2020-06-20 |
|
| 618-502
| 1 |
|
073H TELNYX LLC |
520 |
|
2020-07-09 |
|
| 618-502
| 2 |
|
224C ONVOY, LLC |
520 |
|
2021-07-05 |
|
| 618-502
| 8 |
|
495J STRATUS NETWORKS |
520 |
|
2020-11-22 |
|
| 618-502
| 9 |
|
624H ONVOY SPECTRUM, LLC |
520 |
|
2025-01-04 |
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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